PCMCIA Flash Memory Card
FLV Series
White Electronic Designs
AC CHARACTERISTICS - READ TIMING PARAMETERS
150ns
250ns
SYMBOL (PCMCIA)
Parameter
Unit
Min
Max
Min
Max
tC(R)
tA(A)
Read Cycle Time
Address Access Time
150
250
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
150
150
75
20
0
250
250
125
30
tA(CE)
Card Enable Access Time
tA(OE#)
tSU(A)
Output Enable Access Time
Address Setup Time
tSU(CE)
tH(A)
Card Enable Setup Time
0
Address Hold Time
20
20
0
30
tH(CE)
Card Enable Hold Time
30
tV(A)
Output Hold from Address Change
Output Disable Time from CE
Output Disable Time from OE#
Output Enable Time from CE
Output Enable Time from OE#
Power Down recovery to Output Delay. VCC = 5V
0
tDIS(CE)
tDIS(OE#)
tEN(CE)
tEN(OE#)
tREC(RSR)
75
75
100
100
5
5
5
5
500
600
Note: AC timing diagrams and characteristics are guaranteed to meet or exceed PCMCIA 2.1 specifications.
READ TIMING DIAGRAM
tC(R)
tH(A)
tA(A)
A[25::0], REG#
tV(A)
tA(CE)
tSU(CE)
CE1#, CE2#
NOTE 1
NOTE 1
tH(CE)
tA(OE)
tSU(A)
tDIS(CE)
OE#
tEN(OE)
tDIS(OE)
D[15::0]
DATA VALID
Note: Signal may be high or low in this area.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June, 2003
Rev. 5
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com